28991510 (number)

28991510 is an even 8-digits composite number following 28991509 and preceding 28991511. In scientific notation, it is written as 2.8991510 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 10944000 positive integers (up to 28991510) that are relatively prime to 28991510.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand five hundred ten

Notation

Scientific notation 2.8991510 × 10^7
Engineering notation 2.8991510 × 10^6

Prime Factorization of 28991510

Prime Factorization 2 × 205 × 31 × 2281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28991510
Product of the distinct prime numbers

The prime factorization of 28991510 is 2 × 205 × 31 × 2281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991510)

Multiplication

n×y
n×2 57983020
n×3 86974530
n×4 115966040
n×5 144957550

Division

n÷y
n÷2 14495755
n÷3 9663836.6666667
n÷3 7247877.5
n÷5 5798302

Exponentiation

ny
n2 840507652080100
n3 2.4367586000357E+22
n4 7.064531132052E+29
n5 2.048114249602E+37

Nth Root

y√n
2√n 5384.3764727218
3√n 307.20169806778
4√n 73.378310642327
5√n 31.078079060327

Divisors of 28991510

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991509
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991510 can be divided by 16 positive divisors. The sum of these divisors (counting 28991510) is 1, the average is 0.0625.

Base conversion 28991510

Base System Value
2 Binary 1101110100110000000010110
3 Ternary 2000112220212122
4 Quaternary 1232212000112
5 Quinary 24410212020
6 Senary 2513215542
8 Octal 156460026
10 Decimal 28991510
12 Duodecimal 98615b2
16 Hexadecimal 1ba6016
20 Vigesimal 913ifa
36 Base36 h9dzq

Cryptographic Hash Functions

md5 b906f4bc8b54cc3cfff398c3fa03c919
sha1 4d34f8617e4a40b4b5d87d5b76785297e67f9e1b
sha256 9630c915e8eb1b98277f36bfb4b376817e85fa4169e777e055330fac3a760cac
sha512 d827c72d62c822bd953f9b2f8c15e0532daf87e407b120c8006bcb92e39e5b1b1bb3aaf9af2c6254cda849c131d01099974150370d06f1f34902b3b58ef07700
ripemd-160 7f09645bd7c2619089952136ca9917114fd07aac

28991510 as geometric shapes

Circle

Radius = n
Diameter 57983020
Circumference 182159029.66495
Area 2.6405326650608E+15

Sphere

Radius = n
Volume 1.0207070555258E+23
Surface area 1.0562130660243E+16
Circumference 182159029.66495

Square

Length = n
Perimeter 115966040
Area 840507652080100
Diagonal 41000186.635675

Cube

Length = n
Surface area 5043045912480600
Volume 2.4367586000357E+22
Space diagonal 50214768.308141

Equilateral Triangle

Length = n
Perimeter 86974530
Area 3.6395048938829E+14
Altitude 25107384.154071

Triangular Pyramid

Length = n
Surface area 3.6395048938829E+14
Volume 2.8717475503331E+21
Height 13666728.878558